COMMON HYDROPONIC SYSTEMS
This is Part 2 of our blog series in discussing common hydroponic systems used by commercial growers in producing vegetables. Every hydroponic system out there operates on the same principal of gardening without soil. Many commercial growers use various types of hydroponic systems and the following 3 systems are used regularly in growing vegetables.
NUTRIENT FILM TECHNIQUE SYSTEMS
Nutrient film technique is a system that supplies a plant’s roots with a continuous flow of nutrient solution through a series of tubes or gutters. The ” film” refers to the thin layer of solutions that covers the bottom of each tube or gutter. To make a film of nutrient solution, these systems use a low volume pump to create a continuous trickle of water. The tubes or gutters are positioned at slight angles which allows gravity to return the nutrient solution to the reservoir.
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